make a laughing-stock of oneself

• 闹笑话； 出洋相

make a laughing-stock of oneself的用法和样例：

例句

1. If you pretend to know what you don't know, you'll only make a fool of yourself.
   不懂装懂就会闹笑话。
2. Every day, unsuspecting foreigners in Taiwan make social blunders or experience what they consider strange behaviors.
   在台湾，这些不知情的外国人每天都会闹笑话，或是经验到他们认为奇怪的行为举止。
3. He made a monkey of me on the tennis court.
   他在网球场上使我大出洋相。
4. I don't want to make a show of myself before strangers.
   我不想在陌生人面前出洋相。